18978432

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{4493}}^1$

素因数の和:4521

約数の個数: 64

約数和(自身を含む): 55006560

約数和(自身を除く): 36028128

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 264, 352, 384, 528, 704, 1056, 1408, 2112, 4224, 4493, 8986, 13479, 17972, 26958, 35944, 49423, 53916, 71888, 98846, 107832, 143776, 148269, 197692, 215664, 287552, 296538, 395384, 431328, 575104, 593076, 790768, 862656, 1186152, 1581536, 1725312, 2372304, 3163072, 4744608, 6326144, 9489216, 18978432]

約数ペア:

[(1, 18978432), (2, 9489216), (3, 6326144), (4, 4744608), (6, 3163072), (8, 2372304), (11, 1725312), (12, 1581536), (16, 1186152), (22, 862656), (24, 790768), (32, 593076), (33, 575104), (44, 431328), (48, 395384), (64, 296538), (66, 287552), (88, 215664), (96, 197692), (128, 148269), (132, 143776), (176, 107832), (192, 98846), (264, 71888), (352, 53916), (384, 49423), (528, 35944), (704, 26958), (1056, 17972), (1408, 13479), (2112, 8986), (4224, 4493)]